Because there un natural, non biodegradable and just generally alien if you like to the planet?,
jom jim kim is the three types of plastic
This question is not worth answering.The "enviorment" does not exist, "which are not harm" is incorrect grammar.If the question had read "which will not harm the environment" it could be worth answering.Wikipedia says:Biodegradable plastics are plastics that will decompose in the natural environment. Biodegradation of plastics can be achieved by enabling microorganisms in the environment to metabolize the molecular structure of plastic films to produce an inert humus-like material that is less harmful to the environment.
they are plastics that can be bad for our environment
No reason for them to be. Plastic can be recycled or reused. Some are biodegradable, and break down when left exposed to weather and sunlight.
we can protect our environment by telling our socity about harmful uses of plastics ,by not throwing plastic any where alone ,by using cotton bag instid of using plastic bag etc .
how plastics are recycled?does the recycling have an impact on the environment
Plastics are cheap and can be molded into many things. One drawback to using plastics is they harm the environment.
they are not harmful to the environment
harmful effects of polythene on animals
what plastics? plastic surgery? plastic paper? plastic's influence to hte environment?
Recycle the plastic
fire is harmful to the environment because it is a kind of gas